Factorise a4-b4-27a2b2
Answers
Answered by
18
Answer:
ANSWER
a
4
+a
2
b
2
+b
4
=a
4
+a
2
b
2
+b
4
+a
2
b
2
−a
2
b
2
=a
4
+b
4
+2a
2
b
2
−a
2
b
2
=(a
2
+b
2
)
2
−a
2
b
2
............... using (a+b)
2
formula
=(a
2
+b
2
)
2
−(ab)
2
=((a
2
+b
2
)+ab)((a
2
+b
2
)−ab) .........using (a
2
−b
2
) formula
∴ The factors of a
4
+a
2
b
2
+b
4
are (a
2
+b
2
+ab) and (a
2
+b
2
−ab).
Answered by
0
Answer:
Answer is provided above....
hope it helps you...!
Similar questions